// Behavior originally contributed by Natfoth.
//
// LICENSE:
// This work is licensed under the
//     Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
// also known as CC-BY-NC-SA.  To view a copy of this license, visit
//      http://creativecommons.org/licenses/by-nc-sa/3.0/
// or send a letter to
//      Creative Commons // 171 Second Street, Suite 300 // San Francisco, California, 94105, USA.
//

#region Summary and Documentation
// DOCUMENTATION:
//     http://www.thebuddyforum.com/mediawiki/index.php?title=Honorbuddy_Custom_Behavior:_MountVehOnly
//
#endregion


#region Examples
#endregion


#region Usings
using System;
using System.Collections.Generic;
using System.Linq;

using Honorbuddy.QuestBehaviorCore;
using Styx;
using Styx.CommonBot;
using Styx.CommonBot.Profiles;
using Styx.Pathing;
using Styx.TreeSharp;
using Styx.WoWInternals;
using Styx.WoWInternals.WoWObjects;

using Action = Styx.TreeSharp.Action;
#endregion


namespace Honorbuddy.Quest_Behaviors.MountVehOnly
{
	[CustomBehaviorFileName(@"Vehicles\MountVehOnly")]
	[CustomBehaviorFileName(@"MountVehOnly")]  // Deprecated location--do not use
	public class MountVehOnly : CustomForcedBehavior
	{
		/// <summary>
		/// Only use this when you need to mount a Vehicle but it will require nothing else, wow has to auto dismount you at the end or you use EjectVeh.
		/// ##Syntax##
		/// QuestId: Id of the quest.
		/// MobMountId: The ID of the Vehicle you want to mount.
		/// X,Y,Z: The general location where these objects can be found
		/// </summary>
		///
		public MountVehOnly(Dictionary<string, string> args)
			: base(args)
		{
			QBCLog.BehaviorLoggingContext = this;

			try
			{
				// QuestRequirement* attributes are explained here...
				//    http://www.thebuddyforum.com/mediawiki/index.php?title=Honorbuddy_Programming_Cookbook:_QuestId_for_Custom_Behaviors
				// ...and also used for IsDone processing.
				QuestId = GetAttributeAsNullable<int>("QuestId", false, ConstrainAs.QuestId(this), null) ?? 0;
				QuestRequirementComplete = GetAttributeAsNullable<QuestCompleteRequirement>("QuestCompleteRequirement", false, null, null) ?? QuestCompleteRequirement.NotComplete;
				QuestRequirementInLog = GetAttributeAsNullable<QuestInLogRequirement>("QuestInLogRequirement", false, null, null) ?? QuestInLogRequirement.InLog;

				Location = GetAttributeAsNullable<WoWPoint>("", false, ConstrainAs.WoWPointNonEmpty, null) ?? Me.Location;
				VehicleMountId = GetAttributeAsNullable<int>("VehicleMountId", true, ConstrainAs.VehicleId, new[] { "MobMountId", "NpcMountId" }) ?? 0;
			}

			catch (Exception except)
			{
				// Maintenance problems occur for a number of reasons.  The primary two are...
				// * Changes were made to the behavior, and boundary conditions weren't properly tested.
				// * The Honorbuddy core was changed, and the behavior wasn't adjusted for the new changes.
				// In any case, we pinpoint the source of the problem area here, and hopefully it
				// can be quickly resolved.
				QBCLog.Exception(except);
				IsAttributeProblem = true;
			}
		}


		// Attributes provided by caller
		public WoWPoint Location { get; private set; }
		public int QuestId { get; private set; }
		public QuestCompleteRequirement QuestRequirementComplete { get; private set; }
		public QuestInLogRequirement QuestRequirementInLog { get; private set; }
		public int VehicleMountId { get; private set; }

		// Private variables for internal state
		private bool _isBehaviorDone;
		private Composite _root;

		// Private properties
		public int Counter { get; set; }
		private LocalPlayer Me { get { return (StyxWoW.Me); } }
		private List<WoWUnit> VehicleList
		{
			get
			{
				return 
					ObjectManager.GetObjectsOfType<WoWUnit>()
					.Where(u => u.Entry == VehicleMountId && !u.IsDead)
					.OrderBy(u => u.Distance)
					.ToList();
			}
		}

		// DON'T EDIT THESE--they are auto-populated by Subversion
		public override string SubversionId { get { return ("$Id: MountVehOnly.cs 1728 2014-10-13 23:25:24Z chinajade $"); } }
		public override string SubversionRevision { get { return ("$Revision: 1728 $"); } }


		#region Overrides of CustomForcedBehavior

		protected override Composite CreateBehavior()
		{
			return _root ?? (_root =
				new PrioritySelector(

							new Decorator(ret => Counter > 0,
								new Sequence(
									new Action(ret => TreeRoot.StatusText = "Finished!"),
									new WaitContinue(120,
										new Action(delegate
										{
											_isBehaviorDone = true;
											return RunStatus.Success;
										}))
									)),

						   new Decorator(ret => Query.IsInVehicle(),
								new Action(ret => Counter++)),

						   new Decorator(ret => VehicleList.Count == 0,
								new Sequence(
										new Action(ret => TreeRoot.StatusText = "Moving To Location - X: " + Location.X + " Y: " + Location.Y),
										new Action(ret => Navigator.MoveTo(Location)),
										new Sleep(300)
									)
								),

						   new Decorator(ret => VehicleList.Count > 0,
								new Sequence(
									new DecoratorContinue(ret => VehicleList[0].WithinInteractRange,
										new Sequence(
                                            new Action(ret => TreeRoot.StatusText = "Mounting Vehicle - " + VehicleList[0].SafeName),
											new Action(ret => WoWMovement.MoveStop()),
											new Action(ret => VehicleList[0].Interact())
											)
									),
									new DecoratorContinue(ret => !VehicleList[0].WithinInteractRange,
										new Sequence(
                                        new Action(ret => TreeRoot.StatusText = "Moving To Vehicle - " + VehicleList[0].SafeName + " X: " + VehicleList[0].X + " Y: " + VehicleList[0].Y + " Z: " + VehicleList[0].Z + " Yards Away: " + VehicleList[0].Location.Distance(Me.Location)),
										new Action(ret => Navigator.MoveTo(VehicleList[0].Location)),
										new Sleep(300)
											))
									))
					));
		}


        public override void OnFinished()
        {
            TreeRoot.GoalText = string.Empty;
            TreeRoot.StatusText = string.Empty;
            base.OnFinished();
        }


		public override bool IsDone
		{
			get
			{
				return (_isBehaviorDone     // normal completion
						|| !UtilIsProgressRequirementsMet(QuestId, QuestRequirementInLog, QuestRequirementComplete));
			}
		}


		public override void OnStart()
		{
			// This reports problems, and stops BT processing if there was a problem with attributes...
			// We had to defer this action, as the 'profile line number' is not available during the element's
			// constructor call.
			OnStart_HandleAttributeProblem();

			// If the quest is complete, this behavior is already done...
			// So we don't want to falsely inform the user of things that will be skipped.
			if (!IsDone)
			{
				this.UpdateGoalText(QuestId);
			}
		}

		#endregion
	}
}
